421342302 has 16 divisors (see below), whose sum is σ = 846921600. Its totient is φ = 139741272.

The previous prime is 421342289. The next prime is 421342303. The reversal of 421342302 is 203243124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421342303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175248 + ... + 177635.

It is an arithmetic number, because the mean of its divisors is an integer number (52932600).

Almost surely, 2^421342302 is an apocalyptic number.

421342302 is an abundant number, since it is smaller than the sum of its proper divisors (425579298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421342302 is a wasteful number, since it uses less digits than its factorization.

421342302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353087.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 421342302 is about 20526.6242231888. The cubic root of 421342302 is about 749.6841941520.

Adding to 421342302 its reverse (203243124), we get a palindrome (624585426).

The spelling of 421342302 in words is "four hundred twenty-one million, three hundred forty-two thousand, three hundred two".